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Old 09-16-2009, 06:13 PM
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Air Checking 4L60E Servo

From the way i am reading this diagram if i apply air pressure to port 32 it should extend the servo and tighten band just like it does on port 25? Or am i reading it wrong. When i apply air a little hisses out #7 check ball port #28 servo pin does no move.

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Old 09-17-2009, 08:43 PM
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there is a hole in the pan rail area... put air pressure there, the servo pin should apply the band.

do this several times.

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Old 09-17-2009, 11:47 PM
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yeah but thats the exhaust and would not check the seal for 4th but would actuate the servo through 2nd
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Old 09-18-2009, 06:26 AM
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did you install the sealing ring for 4th gear dry ? Any oil on the servo pin?

I never air check the 4th gear section of the 2-4 servo and I never have a 'no 4th gear' problem.
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Old 09-18-2009, 07:16 PM
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oil on ring and i have a rig that i use that i fill with oil when applying pressure
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